Brake arrangement



Aug. 17, 1943. c..E. TACK BRAKE ARRANGEMENT Filed Deo. 26, 1941 2 Sheets-Sheet l l I f l I l l l I I I l l I I l II.. lllllxl Il Aug. 17, 1943. C E TACK 2,327,157

BRAKE ARRANGEMENT Filed Dec. 26, 1941 2 Sheets-Sheet 2 INVENTOR.

Patented Aug. 17, 1943 1 ARRANeEMENfr iCanl iE. I'ack, '.Chieago, Ill., f assigner to American Steel Foundries, `-Chica New -Jersey go, Ill., a, corporation of mentation December '26, 1er-Liemers@421;,43-3

\ (or. .ree-5e) Z3 Claims.

My invention relates 'to-improvements inlbrake rigging of the beam'type 'for railway car trucks and having associated therewith that type of brake vknown as -the :clasp .brake in Which'brake shoes lare applied .at .opposite .sides .of eah car equalizer's-ofa railway-car truck. y

-Stili vanother objectiof im-yinvention :is to limit tipping of 'said truck rcaused by tretardation thereof ;d `urng actuation :of the -bra-ke .mechaf nisn'i by supporting brakerbeams intermediate the associated wheels from a frame memberso that forces fapplied tofsaid member'throughthe associated brake hangerswilloppose ithe forces tending Vto tip lthe'truck1 the brakeileamsfout-` Wardly of the Wheels vbeing 'supported from Y comprises botto-n1 'side 'frame member or equalizers upon fwhichsthe fratrie "member -islre- Y siliently mounted said :last-mentioned rbeams being so `supportedin [order vthat v-iorces `therefrom vwill be transmitted to the leqnalizers during actuation offthe brake mechanismand ywill not be transferred tothe viframe memberfthus with `certain of the brakefbeams utilized in my novel arrangement `Inthedrawings I `Figure fl isfatop planwview ofiajrailway' car truck embodying nmy novel -brake arrangement, only one-half of nthe --truck -being shovvn, -inasmuch as .it -is similargat 'opposite Asides thereof,A

and` the .upper frame V.member. being 'partially cutfav/ayin order more'ciearlyfto illustrate -theV brake ,arrangementstherebeneath. Y

Figure 2 isa .side `view-of the-structure shown in Figure Y1, ali dfthe-upperiframe member vbeing A shown therein, and .V Y Y Figure "3 isY anV end elevationftakon from lthe left as seen in Figures Land 2..

'In each di sad'gurescertain fdetailsniayfbe omitted Wheretheyare more clearly.seen-in^other views.

equalizer generally' designated 2 jhaving Aa Asubstantially horizontal mid-portion of rectangular section-With which 'may be formed integral kend portions ifi, i521' formedgand arrangedor-engagement afs 'atief'dwiththe tops of assooiatedjournal boxes q l D, 1G Within Whih 'may 'be received inusuaimanner theijo-urnal 'endsof'spacedwheel and'axle assemblies Hand 'M Eachfthe end portions":4, ""4, "may .comprise `an integral inturne'd bracket 'ashereinafter more fully described. The horizontal "mid-'portion tof :the equaliser `member 2 -may vbe iorrnedfatea'ch enid 'thereof 'with a vspring :seat .f6 on 'which' may :be 'positioned 'aiplu` rality oflcoil springs fdiagrammaticlly' indicated at 13, It) laiording a supportorthegsuperposed frame member ;general1y designated 20, the side portions of "said frame member zbeing a'iorded spring'jseats 'at 22, 22,1 'said vseats being ''anged over as 'at c2111. The frame member 2) also comprises the. pedestal jawsf2'4, 24 'deiing journal openings 2E, 25 jatthe'endsfof saidJsidef-rame, Within fwhieh openings Imay vlbe positioned the journalfboxes To, ii'llinusual manner. lThe upper frame member "23 'comprises 'integrally formed spaced transomsa, 28iserving 'asia 'usual meansofjsupportfor 'a swing'zblster ('nttshown) which may tbe confined "therebetween and 'which selves "as "a bearer 'rior thefsupported "car body, and 'eaeh utransom Supports a balance l'tranger bracketiin 'a inannei'ne1ei`nafter `more"`fully vdescribed. 'Ate'itherside of 'each wheel` and axle assembly are the innerbrakefheads '33, .'iilan'dthe outer brake "heads'SZ, '32, 'said l'heads supporting brake shoes (not shown) for :friction'al engagement With'the peripheries 'ofthe 'associated Wheels, Ea'fchjdi thebrak'e heads '30 Vand, 32 `is 'engaged' as atf'iA (Figure 3') in usual'manner Witnthejtrun- Vnion end of the associated brake beam; said beamsbeing supported in :a manner hereinafter more fIli-y "described, The iinner"bea'r'ns i3S, 355 associated" with fthe "inner 'brake heads 53D, 3D 'are S'eciiredfas'at 33,23%?110 thel'overends ofhangers mountedfasIatfltZ,` '42"i'nthe 'jaws 454,154 formed on the gussetsiwhich rarelintegrailyformed lwith the transoms and each sideportionfof"theupper frame member at theirrjunctures. fCoI'nbination balance and safety fhangers 48, 48 fare-"secured as;atv-553,5 to balance `hanger bracketsfZ, :52

the :longitudinal Y:center linefof ithe truck, said w hangers 48, ,48 being pivotally` connected as at 53, 55 to the fulcrums 58, 58 (Figure l, right) secured as at 59, d to the inner beams 35, 3e. The outer beams 62, G9 associated with the outer brake heads 32, 32 are secured as at 52 to the lower ends of hangers 64, 64, the upper ends of which are pivotally connected as at 65, 65 to the jaws 68, E8 on the inturned brackets 1E), 1E] integrally formed on the ends of the equalizer 2 and well above the axle level. Combination safety and balance hangers i2, l2 are secured as at 'it to balance hanger brackets 16, 15 secured as at '|3, 'I8 to the inboard ends of the brackets 1Q, 'lil said hangers '|2, 12 being connected at the lower ends thereof as at 80, 86 to the fulcrums 82, 82 formed on the outer beams be, 6e. l Y

The dead truck levers 84, 34 are iulcrumed'at their upper ends as at 8%, 86 from the fulcrum brackets S8, 38 pivotally connected as at 90, 9|! to the jaws 92, 92 formed at the ends of the frame member 20, and said levers 84, 84 are connected at thelower ends'thereof as at 94, 94 to the fulc'rums S6, 95 secured as at 98, 98 (Figure 1, right) to the outer beams 6B, 6E. The live trucklevers |00, IBB are connected at the lower ends thereof as at |02, |62 to the fulcrums |64, |64 securedas at m5, IE6 tothe innerbrake beams 36, 35. The truck levers associated Ywith respective wheels are connected by 'pull rods |05, Eilpivotally connected as at |638, IDB to the live truck levers intermediate the ends thereof `and pivotally connected as at H0, Il!) to the dead truck'levers intermediate the ends thereoeach pull rod being provided with slack adjusted means designated H2 and of well known form. The upper ends of the live truck levers |05), |00 are pivotally connected as at I|4, 4 to the links IIB, HS (Figure l. left), the opposite ends of which are connected as at H8, H8 to the end of the live cylinder lever |28 and to the inner end of the dead cylinder lever |22 respectively. The outer end of the live cylinder lever is connected as at |24 to the piston rod |26 of the cylinder unit |28 which is supported as at |3, |38 from theY cylinder pads |32, |32 formed on the upper framev member 20. The dead cylinder lever |22 is'connected at its outer end as at |34 to the auto-matic slack adjusted device |35 secured as at |38, |38 to the cylinder unit |28', and said dead cylinder lever is pivotally connected intermediate its ends as at |41) to the pull rod |46, the opposite end of which is pivotally connected at |59 to the live cylinder lever i2@ intermediate its ends, said pull rod |46 being of annular form and flattened as at |48 intermediate its ends in order to aiord clearance for the associated bolster (n-ot shown).

In operation the cylinder unit |28 through the piston rod'IZS moves the live cylinder lever |23 in a counter-clockwise direction thereby actuating the brake rigging at one end of the truck Y through the live truck lever |50 associated with.

the live cylinder lever |29. Y

At thesame time the livecylinder lever by means of the pull rod |45 causes the dead cylinder lever |22 to move in a clockwise direction, thus actuating the brake rigging at the opposite end of the truck through the live truck lever |00 connected to the dead cylinder lever |22, as will be clearly apparent to those skilled in the art.

It is to be understood that I do not wish to be limited by the exact embodiment of the device shown which is merely by way of illustration and not limitation asV various and other forms of the device will, of course, be apparent to those skilled ffl) in the art without departing from the spirit of the invention or the scope of the claims.

I claim:

l.. In a railway car truck, a frame member, spaced supporting wheel and axle assemblies, equalizers supported from said assemblies, resilient means mounted on said equalizers and supporting said frame member, power means securedto said frame member, and brake rigging comprising brake beams supported outwardly of each assembly from said equalizers, brake beams supported intermediate said assemblies from said frame member, interconnected live and dead truck levers at opposite sides of each assembly and connected to respective beams, and an operative connection between said power means and said live truck levers, said last-mentioned connection comprising live and dead cylinder levers connected at corresponding ends thereof to said power means, connected intermediate their ends to each other, and connected at opposite corresponding ends thereof toy respective live truck levers.

2. In a railway car truck, a lower frame mem- ,I ber, an upper frame member resiliently supported thereon, spaced supporting wheel and axle assemblies, power means and brake beams intermediate said assemblies supported from one of said members, rbrake beams outwardly o f said as; semblies supported from the other of said mem'- bers, interconnected live and dead truck levers at opposite sides of each assembly and associated withrespective beams, and an operative connection between said power means and said live truck levers, said operative connection comprising interconnected live and dead cylinder levers connected at corresponding ends thereof to opposite ends of said power'v means and connected at opposite corresponding ends thereof to said live truck levers.

3.1m a railway carV truck, a frame-member, brackets pivotally connected thereto, spaced supportingA wheel and axle assemblies, equalizers supported from said assemblies at opposite sides of the truck and aording a resilient support for said frame member, power means vsupported on said member and brake rigging comprising brake beams 'supported outwardly -of said assemblies frcm'said equalizers, brake beams supported intermediate said assemblies from 'said frame -member,' interconnected live and dead truck levers at opposite sides of each assembly and connected at corresponding ends thereof to respective beams, said dead truck levers being pivotally connected at the opposite ends 'thereof to respective brackets, and said live truck levers havinganoperative connection with said power means. A l

` 4'. In a railway car truck, a frame member, spaced Vsupporting wheel and axle assemblies, equalizers supported from said assemblies at opposite sides of the truck and affording a resilient support for said frame member, power means secured to said frame member, and brake rigging comprising brake beams supported outwardly of said assemblies from said equalizers,

ingaande?? -ient :means'smounted :on .said ieqnalizers and .supe porting .said :frame imember, ra nylmder :secured to said iframe .memben aandxbrake riggingcnm- ,prismg :brake ibeams fsuppnnted ,zat opposilte .sides :di :each :assembly :fromzsaid :frame member and from :said equalizer respectively, .interconnected live :and fdead truck Revers iat :opposite '-sidesmf each assembly and connected t'olrespectivelbeams, :interconnected live A'and fdead cylinder levers Accnnected .atlcorresponding rendsithereo'f to vsaid cylinder and :jat opposite corresponding .lends ithereof to .said live ltruck levers '16. Tin .a :railway car truck, :a frame member, spaced lsupporting 'iwheel :and :axle assemblies, edualizers supported from said asselribliesV and affording a 'res'ili'entrsupport i"for said trame'fmember, power means secured Ito fsaid "frame member, and fb'ralre rigging comprising brake beams supported at opposite sides 'o'f eadh assembly Tf1-om said equalizers fand irom -sa'id lframe member irespectively, interconnected dive-and dead truck levers connected fto said beams, and anoperative connection between said rpower means said live truck levers. i l Y, l

5.7. In Va :railway car Ltrluck, fa lower fframemember, fan lupper lframe member resiliently support ed thereon, spaced supporting wheel and axle assemblies, 'power means secured to one of said frame members, and brake rigging comprising brake beams intermediate said assemblies and supported from said last-mentioned frame member, brake beams outwardly of said assemblies and supported from the other of said frame members, interconnected live and dead truck levers at opposite sides of each assembly and connected to respective beams, and an operative connection between said power means and said live truck levers.

8. In a railway car truck, a frame member, spaced supporting,l wheel and axle assemblies, equalizers supported from said assemblies at opposite sides of the truck and affording a resilient support for said frame member, inturned brackets outwardly of said assemblies formed on the ends of said equalizers, and brake rigging comprising brake beams supported from said brackets, brake beams intermediate said assemblies and supported from said frame member, interconnected liveand dead truck levers associated with respective beams, and power means associ- Y ated with said live truck levers.

9. In a railway car truck, a frame member, spaced supporting wheel and axle assemblies, equalizers supported from said assemblies at opposite sides of the truck and afording a resilient support for said frame member, power means secured to said frame member, and brake rigging comprising brake beams at opposite sides of each assembly and supported from said frame member and from said equalizers respectively, actuating means associated with said beams, and safety means comprising hangers supported from said frame member at the center line of the truck and connected to respective beams.

10. In a railway car truck, a lower frame member, resilient means seated thereon, an upper frame member mounted on said resilient means, spaced supporting wheel and axle assemblies, inwardly directed brackets formed on the ends of said lower frame member, brake hangers mounted at the upper ends thereof on said brackets and connected at the lower ends thereof to brake beams, brake beamsiintermediate said assemblies and supported from said upper frame member, interconnected live and dead truck levers assomated with irrespective ,-beams, and power .means associated with llive truck levers.

11:1. In ia brake :arrangement .'for :a IrailwayV ear truck, :a lewer inname :an upper :Emme -msiliently mounted itnereon, ispacedrfsupporting wheel and axle assemblies, brake rigging ccm- :prising :brake :beam-s, :certain -of Lsaid 'beams be- 'ing suppnrted .from one of said .members and .the fnther -nf abe'ams being supported from '.therdther of es'aid members :operating Emeans Iassoci'ated 'with isaidibeanI-s, 'said LVirperating means comprising interconnected .live `and fde'ad truck Alevers fconnected `.to irrespective beams, and power means associated with :said live :truck L levers.

i12. .In ia railway A:car truck, :a wheel `and :axle assembly, an unsprung framememberisupported therefrom, ran'other 'frame member 'resilieritly supported on .said ,unsprung member, friction means rat fcpposite .sides 'of fsaid'iassembly, vrcertainfof said means ibeingzsupported frim the unsprung member 'and rather of ysaid 'means being supported from 'the other Vmember, and actuating :means forfsai'd friction means.

:143. In 'a frailway car truck, a Alowei` y'frame member :aftordingeJ seat .for 'resilient means, upper frame memberfmounted on said means, spaced supporting -wheel and axle assemblies, braise rigging comprising brake beams `supported at opposite sides :of .each assembly -irom said upper member and said lower member respectively, interconnected live and dead truck levers associated with respective beams, and power means associated with said live truck levers.

14. In a railway car truck, a lower frame equalizers supported from said assemblies and affording a resilient support for said frame member, and brake rigging comprising brake beams intermediate said assemblies and supported from said member, brake beams outwardly of said assemblies and supported fromv said equalizers, and actuating means associated with said beams.

16. In a brake arrangement for a railway car truck, a lower frame member, an upper frame member resiliently mounted thereon, spaced supporting wheel and axle assemblies, brake rigging comprising brake beams, certain of said beams being supported from one of said mem' bers and the other of said beams being supported from the other of said members, and operating means associated with said beams.

17. In a railway car truck, spaced lower frame members, an upper frame member resiliently mounted thereon, spaced supporting wheel and axle assemblies, brake rigging comprising brake beams at opposite sides of each assembly, certain of said beams being supported from said upper member and other Vof said beams. being supported from said lower member, and power means mounted on said upper member and op eratively associated with said beams.

18. In a railway car truck, a wheel and axle assembly, an unsprung frame member supported therefrom, another frame member resiliently supported on said unsprung member, friction 19. In a railway car truck, a lower frame member, resilient means thereon, an upper fra-me member mounted on said means, spaced supporting wheel and axle assemblies, and brake rigging comprising friction means intermediate said assemblies and supported from one of said members, friction means outwardly of vsaid as# semblies and supported from the other of said members, and operating means associated with said friction means.

20. In a railway oar truck, a frame member, spaced supporting wheel and axle assemblies, equalizers supported from said assemblies and affording a resilient support for said frame member, and brake riggingv comprising friction means intermediate said assemblies andsupported from said member, friction means outvwardly of said assemblies'and supported from said equalizers, and actuating means associated with said friction means.

21. In a brake arrangement for a railway car truck, a lower frame member, an upper frame member resiliently supported thereon, spaced supporting wheel and axle assemblies, brake rigging comprising brake hangers, certain of said hangers'being supportedfrom one of said members, and other of saidhangers being supported from the other of said members, friction means supported from said hangers and associated with said assemblies, and operating means associated with said friction means.

22, In a brake arrangement, a vehicle frame comprising a sprung and an unsprung member, a supporting 'wheel and axle assembly comprising a rotatable member adapted to be braked, and friction means for braking said member, certain of said friction means being hung from the sprung member and other of said friction means being hung from the unsprung member.

23. In a railway cartruck, spaced supporting Wheel and axle assemblies, a frame member resiliently supported from said assemblies, and clasp brake rigging associated with said assemblies, said rigging comprising brake hangers hung from said member and operative to transmit torque forces thereto to oppose the tipping of said member due to retardation of the truck, and said clasp brake rigging also comprising brake hangers hung from unsprung portions of said truck;

CARL E. TACK. 

